DE68915582D1 - Cylindrical acoustic waveguide. - Google Patents

Cylindrical acoustic waveguide.

Info

Publication number
DE68915582D1
DE68915582D1 DE68915582T DE68915582T DE68915582D1 DE 68915582 D1 DE68915582 D1 DE 68915582D1 DE 68915582 T DE68915582 T DE 68915582T DE 68915582 T DE68915582 T DE 68915582T DE 68915582 D1 DE68915582 D1 DE 68915582D1
Authority
DE
Germany
Prior art keywords
acoustic waveguide
cylindrical acoustic
cylindrical
waveguide
acoustic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE68915582T
Other languages
German (de)
Other versions
DE68915582T2 (en
Inventor
Christian Heil
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
L'ACOUSTICS, GOMETZ LA VILLE, FR
Original Assignee
Heil Acoustics
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9363735&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE68915582(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Heil Acoustics filed Critical Heil Acoustics
Application granted granted Critical
Publication of DE68915582D1 publication Critical patent/DE68915582D1/en
Publication of DE68915582T2 publication Critical patent/DE68915582T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
DE68915582T 1988-02-29 1989-02-24 Cylindrical acoustic waveguide. Expired - Lifetime DE68915582T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8802481A FR2627886B1 (en) 1988-02-29 1988-02-29 CYLINDRICAL SOUND WAVE GUIDE

Publications (2)

Publication Number Publication Date
DE68915582D1 true DE68915582D1 (en) 1994-07-07
DE68915582T2 DE68915582T2 (en) 1995-01-19

Family

ID=9363735

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68915582T Expired - Lifetime DE68915582T2 (en) 1988-02-29 1989-02-24 Cylindrical acoustic waveguide.

Country Status (5)

Country Link
US (1) US5163167A (en)
EP (1) EP0331566B1 (en)
DE (1) DE68915582T2 (en)
ES (1) ES2054041T3 (en)
FR (1) FR2627886B1 (en)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5900593A (en) * 1995-07-31 1999-05-04 Adamson; Alan Brock Loudspeaker system
US6394223B1 (en) 1999-03-12 2002-05-28 Clair Brothers Audio Enterprises, Inc. Loudspeaker with differential energy distribution in vertical and horizontal planes
US6112847A (en) * 1999-03-15 2000-09-05 Clair Brothers Audio Enterprises, Inc. Loudspeaker with differentiated energy distribution in vertical and horizontal planes
GB9916380D0 (en) * 1999-07-14 1999-09-15 Funktion One Research Loudspeaker
US6343133B1 (en) 1999-07-22 2002-01-29 Alan Brock Adamson Axially propagating mid and high frequency loudspeaker systems
US6581719B2 (en) * 2000-08-02 2003-06-24 Alan Brock Adamson Wave shaping sound chamber
AU2000276332B2 (en) * 2000-09-22 2005-03-10 Robert Grunberg Direct coupling of waveguide to compression driver having matching slot shaped throats
WO2002056293A1 (en) 2001-01-11 2002-07-18 Meyer Sound Laboratories Incorporated Manifold for a horn loudspeaker
US8718310B2 (en) 2001-10-19 2014-05-06 Qsc Holdings, Inc. Multiple aperture speaker assembly
US7177437B1 (en) * 2001-10-19 2007-02-13 Duckworth Holding, Llc C/O Osc Audio Products, Inc. Multiple aperture diffraction device
US6611440B1 (en) * 2002-03-19 2003-08-26 Bha Group Holdings, Inc. Apparatus and method for filtering voltage for an electrostatic precipitator
US7278513B2 (en) 2002-04-05 2007-10-09 Harman International Industries, Incorporated Internal lens system for loudspeaker waveguides
DE20302882U1 (en) * 2003-02-21 2004-06-24 Stamer Musikanlagen Gmbh Device for shaping sound waves
WO2004086812A1 (en) * 2003-03-25 2004-10-07 Toa Corporation Speaker system sound wave guide structure and horn speaker
US7068805B2 (en) * 2003-07-11 2006-06-27 Earl Russell Geddes Acoustic waveguide for controlled sound radiation
US6870942B1 (en) 2003-09-03 2005-03-22 Curtis H. Graber Loudspeaker for line array sound system
FR2875367B1 (en) 2004-09-13 2006-12-15 Acoustics Sa L ADJUSTABLE DIRECTIVITY AUDIO SYSTEM
FR2890481B1 (en) * 2005-09-02 2007-12-07 Marc Pierre Marcel Weyant UNICELLULAR CONVERGENT ACOUSTIC LENS
DE102005051809B3 (en) 2005-10-27 2007-03-22 Martin Kling Acoustic transformer e.g. horn, for music and speech presentations, has wall separating transformer into two parts, and displacement body supported with surface of cap, where transformer is in form of wave guide
US7708112B2 (en) * 2005-11-10 2010-05-04 Earl Russell Geddes Waveguide phase plug
ITRM20060637A1 (en) * 2006-11-30 2008-06-01 B & C Speakers S P A ACOUSTIC WAVE GUIDE AND ELECTROACOUSTIC SYSTEM INCLUDING SUCH WAVE GUIDE
JP2008278145A (en) * 2007-04-27 2008-11-13 Victor Co Of Japan Ltd Sound wave path length correcting structure for speaker system
US8224001B1 (en) 2007-12-21 2012-07-17 Waller Jon J Line array loudspeaker
DE102009027212B4 (en) 2009-06-25 2015-01-22 Sennheiser Electronic Gmbh & Co. Kg Speaker system and waveshaper unit
US8411892B2 (en) 2010-05-03 2013-04-02 Norberto Grundland Aesthetic linear speaker assembly
US8588450B2 (en) 2010-08-04 2013-11-19 Robert Bosch Gmbh Annular ring acoustic transformer
US8761425B2 (en) 2010-08-04 2014-06-24 Robert Bosch Gmbh Equal expansion rate symmetric acoustic transformer
US9204211B2 (en) 2011-12-16 2015-12-01 Avnera Corporation Pad-type device case providing enhanced audio functionality and output
DE102012102207B3 (en) * 2012-03-15 2013-08-29 BMS Speakers GmbH Ring diaphragm compression driver
US8925478B2 (en) * 2012-05-01 2015-01-06 Curtis E. Graber Directional isophasic toroidal whistle
CN103428603B (en) * 2012-05-16 2016-04-27 顾康 A kind of high frequency sound wave gathering sill of angle adjustable
CN103578461B (en) * 2012-07-31 2016-04-06 顾康 A kind of asymmetrical high-frequency sound wave controller with angle adjustable
US8887862B2 (en) * 2013-03-15 2014-11-18 Bag End, Inc. Phase plug device
DE102013010570B4 (en) * 2013-06-25 2023-01-05 KSdigital GmbH sound transformer and loudspeaker
EP2922050A1 (en) 2014-03-10 2015-09-23 Ciare s.r.l. Acoustic wave guide
US9282398B2 (en) 2014-03-19 2016-03-08 Dana Monroe Speaker system having wide bandwidth and wide high-frequency dispersion
US9245513B1 (en) * 2014-10-24 2016-01-26 Dimitar Kirilov Dimitrov Radial input waveguide
US9392358B2 (en) 2014-10-28 2016-07-12 Robert Bosch Gmbh Waveguide for shaping sound waves
US9571923B2 (en) 2015-01-19 2017-02-14 Harman International Industries, Incorporated Acoustic waveguide
KR101634279B1 (en) * 2015-03-19 2016-07-08 김태형 Three-Dimensional Sound Guide for Speaker, and Speaker Having the Same
ES2903039T3 (en) 2015-04-14 2022-03-30 Meyer Sound Laboratories Incorporated Loudspeaker in arrangement with constant width beamwidth
CN105244019A (en) * 2015-10-27 2016-01-13 刘善延 An acoustic waveguide for converting spherical acoustic waves into cylindrical acoustic waves
US9716929B1 (en) 2016-01-05 2017-07-25 Bose Corporation Relative positioning of speakers
US10334337B2 (en) 2016-02-18 2019-06-25 Bose Corporation Speaker
CN108781334B (en) * 2016-02-24 2021-04-16 杜比实验室特许公司 Flat loudspeaker manifold for improved sound dispersion
US9794662B1 (en) 2016-03-29 2017-10-17 Bose Corporation Connection apparatus
FR3062233B1 (en) 2017-01-24 2020-03-20 L-Acoustics SOUND BROADCASTING SYSTEM
NL2019480B1 (en) * 2017-09-04 2019-03-11 Alcons Audio Bv A loudspeaker with a wave front shaping device
FR3072840B1 (en) 2017-10-23 2021-06-04 L Acoustics SPACE ARRANGEMENT OF SOUND DISTRIBUTION DEVICES
WO2019140011A1 (en) 2018-01-09 2019-07-18 Qsc, Llc Multi-way acoustic waveguide for a speaker assembly
DE102019000623A1 (en) 2019-01-29 2020-07-30 Dieter Klein Sound guidance with variable exit angle
KR102097891B1 (en) 2019-02-01 2020-04-06 김태형 Three-Dimensional Sound Guide for Speaker and Speaker Having the Same
FR3100680B1 (en) * 2019-09-09 2022-11-04 L Acoustics SOUND DIFFUSION DEVICE WITH CONTROLLED BROADBAND DIRECTIVITY
GB2588142B (en) 2019-10-09 2023-05-31 Gp Acoustics International Ltd Acoustic waveguides
CN114731466A (en) 2019-12-02 2022-07-08 哈曼国际工业有限公司 Compression driver with dome diaphragm and annular outlet
WO2021195342A1 (en) 2020-03-25 2021-09-30 Qsc, Llc Acoustic waveguide
US11445303B2 (en) 2020-10-16 2022-09-13 Harman International Industries, Incorporated Omnidirectional loudspeaker and compression driver therefor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB757021A (en) * 1947-09-10 1956-09-12 Kolster Brandes Ltd Improvements in or relating to loudspeaker mountings
US4091891A (en) * 1973-01-17 1978-05-30 Onkyo Kabushiki Kaisha Horn speaker
US3980829A (en) * 1973-06-05 1976-09-14 Harold Norman Beveridge Wide angle cylindrical wave loudspeaker extending approximately from floor to ceiling height with a lens
GB1592246A (en) * 1976-09-23 1981-07-01 Isaac T P Sound projection system
US4171734A (en) * 1977-11-10 1979-10-23 Beta Sound, Incorporated Exponential horn speaker
US4344504A (en) * 1981-03-27 1982-08-17 Community Light & Sound, Inc. Directional loudspeaker
US4390078A (en) * 1982-02-23 1983-06-28 Community Light & Sound, Inc. Loudspeaker horn
US4713799A (en) * 1984-10-15 1987-12-15 Deere & Company Ultrasonic horn with sidelobe suppressing centerpiece
US4718517A (en) * 1986-02-27 1988-01-12 Electro-Voice, Inc. Loudspeaker and acoustic transformer therefor
US4776428A (en) * 1987-11-16 1988-10-11 Belisle Acoustique Inc. Sound projection system

Also Published As

Publication number Publication date
FR2627886B1 (en) 1994-05-13
ES2054041T3 (en) 1994-08-01
FR2627886A1 (en) 1989-09-01
DE68915582T2 (en) 1995-01-19
EP0331566A1 (en) 1989-09-06
EP0331566B1 (en) 1994-06-01
US5163167A (en) 1992-11-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: L'ACOUSTICS, GOMETZ LA VILLE, FR